package com.lottery.im.util;

import android.content.Context;
import android.content.SharedPreferences;

import java.util.Map;

public class SPUtils {

  /**
   * 保存在手机里面的文件名
   */
  public static final String FILE_NAME = "_app_info";

  /**
   * 保存数据的方法，我们需要拿到保存数据的具体类型，然后根据类型调用不同的保存方法
   */
  public static void put(Context context, String key, Object object) {
    SharedPreferences sp =
        context.getSharedPreferences(context.getPackageName() + FILE_NAME, Context.MODE_PRIVATE);
    SharedPreferences.Editor editor = sp.edit();
    if (object instanceof String) {
      editor.putString(key, (String) object);
    } else if (object instanceof Integer) {
      editor.putInt(key, (Integer) object);
    } else if (object instanceof Boolean) {
      editor.putBoolean(key, (Boolean) object);
    } else if (object instanceof Float) {
      editor.putFloat(key, (Float) object);
    } else if (object instanceof Long) {
      editor.putLong(key, (Long) object);
    } else {
      editor.putString(key, object.toString());
    }
    editor.apply();
  }

  /**
   * 得到保存数据的方法，我们根据默认值得到保存的数据的具体类型，然后调用相对于的方法获取值
   */
  public static Object get(Context context, String key, Object defaultObject) {
    SharedPreferences sp =
        context.getSharedPreferences(context.getPackageName() + FILE_NAME, Context.MODE_PRIVATE);
    if (defaultObject instanceof String) {
      return sp.getString(key, (String) defaultObject);
    } else if (defaultObject instanceof Integer) {
      return sp.getInt(key, (Integer) defaultObject);
    } else if (defaultObject instanceof Boolean) {
      return sp.getBoolean(key, (Boolean) defaultObject);
    } else if (defaultObject instanceof Float) {
      return sp.getFloat(key, (Float) defaultObject);
    } else if (defaultObject instanceof Long) {
      return sp.getLong(key, (Long) defaultObject);
    }

    return null;
  }

  /**
   * 移除某个key值已经对应的值
   */
  public static void remove(Context context, String key) {
    SharedPreferences sp =
        context.getSharedPreferences(context.getPackageName() + FILE_NAME, Context.MODE_PRIVATE);
    SharedPreferences.Editor editor = sp.edit();
    editor.remove(key);
    editor.apply();
  }

  /**
   * 清除所有数据
   */
  public static void clear(Context context) {
    SharedPreferences sp =
        context.getSharedPreferences(context.getPackageName() + FILE_NAME, Context.MODE_PRIVATE);
    SharedPreferences.Editor editor = sp.edit();
    editor.clear();
    editor.apply();
  }

  /**
   * 查询某个key是否已经存在
   */
  public static boolean contains(Context context, String key) {
    SharedPreferences sp =
        context.getSharedPreferences(context.getPackageName() + FILE_NAME, Context.MODE_PRIVATE);
    return sp.contains(key);
  }

  /**
   * 返回所有的键值对
   */
  public static Map<String, ?> getAll(Context context) {
    SharedPreferences sp =
        context.getSharedPreferences(context.getPackageName() + FILE_NAME, Context.MODE_PRIVATE);
    return sp.getAll();
  }
}